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Finding the Fourth Proportional to 155,617.92, 233,412.48 and 43,299.84

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Solution

The fourth proportional to 155,617.92, 233,412.48 and 43,299.84 is: 64,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,617.92 : 233,412.48 = 43,299.84 : x
  2. Step 2: Convert to fraction form
    155,617.92/233,412.48 = 43,299.84/x
  3. Step 3: Cross multiply
    155,617.92x = 233,412.48 × 43,299.84
  4. Step 4: Simplify right side
    155,617.92x = 10,106,723,038.00
  5. Step 5: Solve for x
    x = 10,106,723,038.00/155,617.92
  6. Step 6: Final answer
    x = 64,945.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.